The Canadian dollar sank against the U.S. dollar early Monday, hitting a new 11-year low as investors capitulated amid a broad selloff in global markets.
These 80 species fall into two groups: baleen and toothed. A type of baleen whale, humpback whales reach up to 50 feet long. Talia Romito and Sophie Webb/Courtesy of NOAA. Called mysticetesâa word derived from the Greek for âmustacheâ and âwhalesââbaleen whales are toothless.
Blue whales are baleen whales, which means they have fringed plates of fingernail-like material, called baleen, attached to their upper jaws. The giant animals feed by first gulping an enormous mouthful of water, expanding the pleated skin on their throat and belly to take it in.lue whales are the largest animals ever known to have lived on Earth. These magnificent marine mammals rule the oceans at up to 100 feet (30 meters) long and upwards of 200 tons (181 metric tons).